Magnetism and Electromagnetism If a loop in a basic dc generator suddenly begins rotating at a faster speed, the induced voltage decreases increases remains unchanged reverses polarity decreases increases remains unchanged reverses polarity ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Magnetic moment is a vector quantity universal constant pole strength scalar quantity vector quantity universal constant pole strength scalar quantity ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The unit for reluctance is Wb tesla At/m At/Wb Wb tesla At/m At/Wb ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism What is the mmf of a wire with 8 turns carrying three amperes of current? 24 AT 0.24 AT 240 AT 2.4 AT 24 AT 0.24 AT 240 AT 2.4 AT ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism The stray line of magnetic flux is defined as The mean length of a ring shaped coil A line of magnetic flux which does not follow the designed path A line of magnetic flux in a non-uniform field A line vertical to the flux lines The mean length of a ring shaped coil A line of magnetic flux which does not follow the designed path A line of magnetic flux in a non-uniform field A line vertical to the flux lines ANSWER DOWNLOAD EXAMIANS APP
Magnetism and Electromagnetism Which of the following is a ferromagnetic material? Nickel Tungsten Aluminium Copper Nickel Tungsten Aluminium Copper ANSWER DOWNLOAD EXAMIANS APP
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